(HealthNewsDigest.com) - GLENDALE, Calif., Dec. 26, 2013 -- The number of Americans with Alzheimer's is projected to triple by 2050. While there isn't a cure for Alzheimer's, certain lifestyle changes can help prevent cognitive decline.

MySilverAge.com recommends three foods that can help prevent the onset of Alzheimer's by enhancing brain function and keeping the mind sharp.

1. Oil-based Salad Dressings--Drizzling oil-based dressing on salads can help support healthy brain function. The vitamin E found in oil-based salad dressings is a powerful antioxidant. Antioxidants are thought to guard neurons--the nerve cells that relay information between the brain and the rest of the body--from oxidation, thus preventing or slowing brain damage. Vitamin E has even been credited with delaying the advancement of memory loss in moderate to severe cases of Alzheimer's disease.

2. Beet Juice--It may not be the first thirst-quencher that comes to mind, but recent studies show that beet juice could help fend off Alzheimer's. Nitrates found in beet roots help blood and oxygen flow within the body by dilating blood vessels. In particular, they boost blood flow to the frontal lobes, which helps to prevent dementia. Other nitrate-packed foods include spinach, celery and cabbage.

3. Chicken Giblets--Think twice before tossing out chicken giblets (the neck, heart, gizzards, kidneys or liver). Chicken giblets are actually powerful tools for battling Alzheimer's. The vitamin B-12 found in giblets could keep the brain sharp, according to a 2010 study published in the journal Neurology. And it only takes one cup of giblets to get 228 percent of the recommended daily dose of the vitamin.

About MySilverAgeMySilverAge is a website and online resource center, brought to you by be.group, that is designed to help seniors enjoy "what's next." MySilverAge brings together thought leaders on the subject of successful aging, leading intelligence on healthy aging and senior living, and expert tips and advice for creating the home, community and relationships in which seniors can thrive.

About be.groupAs one of California's largest nonprofit providers of senior living communities, be.group is committed to creating communities and services that make the lives of older adults more fulfilling. be.group's dedicated, well-trained staff is devoted to helping its residents and clients discover new ways to embrace life's possibilities and new options for exploring their potential. Follow @begroupliving on Twitter.

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